const cp = require('child_process')
const { resolve } = require('path') 
;(async() => {
	const script = resolve(__dirname, '../crawler/video')
	const child = cp.fork(script, [])
	let invoked = false
	child.on('error', err => {
		if(invoked) return
		invoked = true
		console.log(err)
	})
	child.on('exit', code => {
		if(invoked) return
		invoked = true
		let err = code ===0 ? null : new Error('exit code' + code)
		console.log(err)
	})
	child.on('message', data => {
		console.log(data)
	})
})()